Western Australian Consolidated Regulations (1) A motor vehicle
built after June 1953 must be fitted with —
(a) a
pair of parking lights if it is a motor trike with 2 front wheels (except a
moped) or a motor vehicle with 4 or more wheels; or
(b) at
least one parking light if it is a motor bike with an attached sidecar, or a
motor trike with one front wheel, (except a moped).
(2) A pair of parking
lights fitted to a motor vehicle with 4 or more wheels must be fitted with the
centre of each light —
(a) at
least 600 mm from the centre of the other light; and
(b) not
over 510 mm from the nearer side of the vehicle.
(3) However, a pair of
parking lights fitted to a motor vehicle under 1300 mm wide may be fitted
with the centre of each light not under 400 mm from the centre of the
other light.
(4) A parking light
fitted to a motor trike with 2 front wheels must not be over 400 mm from
the nearer side of the vehicle.
(5) A parking light
fitted to a motor bike with a sidecar must be fitted not over 150 mm from
the side of the sidecar furthest from the motor bike.

Location of parking lights on a vehicle
(6) When on, a parking
light must —
(a) show
a white or yellow light visible 200 m from the front of the vehicle; and
(b) not
use over 7 watts power.
(7) A parking light
fitted to a motor vehicle built after 1969 must be wired so the parking light
is on when a headlight on the vehicle is on.
(8) A parking light
fitted to a sidecar attached to a motor bike must be wired to operate when a
headlight, tail light or parking light on the motor bike is on.
(9) For
subrule (3), the width of a vehicle is measured disregarding any
anti-skid device mounted on wheels, central tyre inflation systems, lights,
mirrors, reflectors, signalling devices and tyre pressure gauges.